13120646934domain: NAppears in sequencesSquare array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of Product_{j>=1} 1/(1-j*x^j)^(j^(k*j)) in powers of x.at n=42A294609Expansion of Product_{k>=1} 1/(1 - k*x^k)^(k^(2*k)).at n=6A294611